C.K.
-A metal roof can be damaged by hail, but it takes a lot. Metal roofs have the highest impact resistance rating of all roofing materials. Make sure to check the rating for your roof material, as some metals are stronger than others
-A metal roof is fire safe. Metal is non-combustible and roofing has the highest fire safe rating of all roofing materials
-A metal roof can rust, but most metal roofs come with a 50+ year guarantee that they will not. Look for Galvalume
-A metal roof can resist winds in excess of 120 mph
-Colored metal roofs may fade, but it is uncommon. Usually discolorations are due to dirt and debris. Use a garden hose with a sprayer to rinse the roof or wait for rain to wash it. After rinsing the roof will look like new again
-A metal roof reflects heat, keeping the house cooler in the hot months. In the colder months a metal roof keeps the home warmer by keeping in the heat below
-A metal roof is also resistant to insects, rotting, and mold that other roofing materials are damaged by
-Overall a metal roof is expected to last the lifetime of the house if quality material is used and it is installed correctly
*Whether buying colored sheets of tin or not, it is best to buy from a company that has been in business for several years and has a good reputation. I recommend MBCI. They have a location in San Antonio and Houston, but they ship everywhere.